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202456 — ADAPTER,STRAIGHT,PIPE TO TUBE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

202456: ADAPTER,STRAIGHT,PIPE TO TUBE.

The ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include thread_class: 2A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: PLAIN (PIPE) SECOND END, nominal_thread_size: 0.250 INCHES SECOND END IN, nominal_overall_length: 1.188 INCHES IN, thread_series_designator: UNEF FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-484-9937, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
202456
NSN: 5330-00-484-9937
NIINs: 004849937, 009728395
FSC: 5330 — Packing and Gasket Materials
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
thread_class2A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_stylePLAIN (PIPE) SECOND END
nominal_thread_size0.250 INCHES SECOND END IN
nominal_overall_length1.188 INCHES IN
thread_series_designatorUNEF FIRST END
nominal_outside_diameter_tube_accommodated0.375 INCHES FIRST END IN
NSN5330-00-484-9937
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 202456 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESCROSS-SECTIONAL SHAPE STYLE:116 IRREGULAR SHAPE FROM OLD FIIG A03200
SUBSTITUTES & CROSS-REFERENCES 1
10004917Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 202456?
202456 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 202456?
There is 1 known substitute for 202456: 10004917. Substitute compatibility should be verified for your specific system.
What is the NSN for 202456?
202456 is cataloged in the U.S. Government catalog under NSN 5330-00-484-9937. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.